12021322033 has 16 divisors (see below), whose sum is σ = 14073892864. Its totient is φ = 10055223360.

The previous prime is 12021322031. The next prime is 12021322043. The reversal of 12021322033 is 33022312021.

It is not a de Polignac number, because 12021322033 - 2¹ = 12021322031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021322033.

It is not an unprimeable number, because it can be changed into a prime (12021322031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56610 + ... + 165067.

It is an arithmetic number, because the mean of its divisors is an integer number (879618304).

Almost surely, 2^12021322033 is an apocalyptic number.

It is an amenable number.

12021322033 is a deficient number, since it is larger than the sum of its proper divisors (2052570831).

12021322033 is a wasteful number, since it uses less digits than its factorization.

12021322033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221872.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12021322033 its reverse (33022312021), we get a palindrome (45043634054).

The spelling of 12021322033 in words is "twelve billion, twenty-one million, three hundred twenty-two thousand, thirty-three".